class_docstr: MemorySize is a representation of a number of bytes, viewable in different units.
code: def __le__(self, other: "MemorySize"):
      return self.__eq__(other) and self.__lt__(other)
  
imports: from typing import Optional
  from pyflink.java_gateway import get_gateway
label_desc: Use image node_id 12 for calling the MemorySize obj's underlying member method code with example usage: obj.__le__(other) and returns: unknown